 | American Academy of Orthopedic Surgeons | Medical Information |
 | American Academy of Physical Medicine and Rehabilitation | Medical Information |
 | American Cancer Society | Medical Information |
 | American College of Rheumatology | Medical Information |
 | American Diabetes Association | Medical Information |
 | American Gastroenterological Association | Medical Information |
 | American Heart Association | Medical Information |
| American Society of Colon and Rectal Surgeons | Medical Information |
| American Society of Reproductive Medicine | Medical Information |
| Arthritis Chat | Medical Information |
 | Arthritis Foundation | Medical Information |
 | Asthma Action America | Medical Information |
 | Asthma and Allergy Foundation of America | Medical Information |
| Averting HIV and Aids | Medical Information |
| C. Everett Koop Institute | Medical Information |
| Cancer Care | Medical Information |
| Center for Applied Reproductive Science | Medical Information |
| Centers for Disease Control - Hepatitis C Information | Medical Information |
| Crohn's & Colitis Foundation of America | Medical Information |
| Gastro-Intestinal Research Foundation | Medical Information |